Home / 28,621.01-39,511.83-22,233.29

Finding the Fourth Proportional to 28,621.01, 39,511.83 and 22,233.29

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Solution

The fourth proportional to 28,621.01, 39,511.83 and 22,233.29 is: 30,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.01 : 39,511.83 = 22,233.29 : x
  2. Step 2: Convert to fraction form
    28,621.01/39,511.83 = 22,233.29/x
  3. Step 3: Cross multiply
    28,621.01x = 39,511.83 × 22,233.29
  4. Step 4: Simplify right side
    28,621.01x = 878,477,974.82
  5. Step 5: Solve for x
    x = 878,477,974.82/28,621.01
  6. Step 6: Final answer
    x = 30,693.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.